It’s necessary ____ us ____ wear suitable clothes on every occasion.
| A．for; to | B．for; for | C．to; to | D．to; for |
相关试题
—Is this ____ car?
—Yes, it’s ____ English car.
| A．a; an | B．a; a |
| C．an; an | D．an; a |
—What color is the T-shirt?
—It’s ____.
| A．an orange | B．orange |
| C．the orange | D．New |
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